<template>
    <div class="login_container">
        <div class="login_box">
            <!-- logo区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="rules" label-width="0" class="form-login">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-users"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="reset">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reset() {
    //   console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async valBooleans => {
        // console.log(valBooleans)
        if (!valBooleans) return
        const { data: res } = await this.$http.post('/login', this.loginForm)
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.$message.success(res.meta.msg)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>//scoped 防止组件之间的样式冲突
.login_container {
    background-color: #2b4b6b;
    height: 100%;
}
.login_box {
    position: absolute;
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%)
}
.avatar_box{
    position:absolute;
    left: 50%;
    transform:translate(-50%, -50%);
    width: 135px;
    height: 135px;
    border: 1px solid #eee;
    border-radius: 50%;
    background-color: #fff;
    padding:10px;
    box-shadow: 0 0 10px #ddd;
    img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }
}
.btns{
    display:flex;
    justify-content: flex-end;
}
.form-login{
    position:absolute;
    bottom:0;
    width: 100%;
    padding:0 40px;
    box-sizing: border-box;
}
</style>
